AirHint found the following cheapest return flights from Chicago (ORD) to Rome (FCO) in March 2026 (see full year).

Return flights

18 Mar - 24 Mar	TAP
27 Mar - 02 Apr	TAP
17 Mar - 27 Mar	Icelandair
10 Mar - 17 Mar	Delta
13 Mar - 22 Mar	Scandinavian Airlines
29 Mar - 04 Apr	TAP
18 Mar - 01 Apr	TAP
20 Mar - 29 Mar	TAP
09 Mar - 16 Mar	United	direct
20 Mar - 28 Mar	TAP
12 Mar - 22 Mar	British Airways
21 Mar - 28 Mar	Icelandair
19 Mar - 27 Mar	Icelandair
27 Mar - 05 Apr	TAP
25 Mar - 02 Apr	United	direct

Also check the deals for one-way flights from Chicago to Rome in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Chicago to Rome in March from 379€

Return flights